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When you use this approached you need to take some extra steps:

- You add to the program a mode parameter to govern its functions (e.g. '*UPD' or '*INQ').

- Based on the mode parameter you will have to inhibit the program functions that deals with the maintenance:

- Function keys that deals with maintenance. - Write/update/delete code. - Make sure you get files data without locking records. - You will have to protect all the input fields.

This is the biggest and most boring step. You will have to look for all the input field and add to them the DSPATR(PR) keyword.

This tip might help since it will take care of all the fields in one easy step. Another benefit is that it will take care of new fields that might be added to the input records in the future.

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